Home / 113,947.56-157,217.22-63,645.48

Finding the Fourth Proportional to 113,947.56, 157,217.22 and 63,645.48

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Solution

The fourth proportional to 113,947.56, 157,217.22 and 63,645.48 is: 87,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,947.56 : 157,217.22 = 63,645.48 : x
  2. Step 2: Convert to fraction form
    113,947.56/157,217.22 = 63,645.48/x
  3. Step 3: Cross multiply
    113,947.56x = 157,217.22 × 63,645.48
  4. Step 4: Simplify right side
    113,947.56x = 10,006,165,431.17
  5. Step 5: Solve for x
    x = 10,006,165,431.17/113,947.56
  6. Step 6: Final answer
    x = 87,813.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.